// Problem: 
// Contest: 
// URL: 
// Memory Limit: 
// Time Limit: 
// #pragma GCC optimize("Ofast")
// #pragma GCC optimize("unroll-loops")
// #pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,avx2,tune=native")
#include<bits/stdc++.h>
using namespace std;
#define int long long
inline int read(){
	int s=0,w=1;
	char ch=getchar();
	while(ch<'0'||ch>'9'){if(ch=='-')w=-1;ch=getchar();}
	while(ch>='0'&&ch<='9') s=s*10+ch-'0',ch=getchar();
	return s*w;
}
signed main()
{
	double a,b,c;
	cin>>a>>b>>c;
	if(b*b-4*a*c<0)
	{
		cout<<"No answer!";
		return 0;
	}
	double x1=(-b+sqrt(b*b-4*a*c))/2/a;
	double x2=(-b-sqrt(b*b-4*a*c))/2/a;
	if(x1>x2)swap(x1,x2);
	if(x1==x2)printf("x1=x2=%0.5lf",x1);
	else printf("x1=%0.5lf;x2=%0.5lf",x1,x2);
	return 0;
}
